Present Perfect Continuous Tense için sıklıkla kullanılan zarflar :
just , ever , never , already , yet ( negative or question ) , always , how long , so far , recently , since ( from a starting point in the past ) , for ( over a period of time )

Present Perfect Tense için sıklıkla kullanılan zarflar şunlardır :
just , ever , never , already , yet ( negative or question ) , always , how long , so far , recently , since ( from a starting point in the past ) , for ( over a period of time )

* For and Since are usually used with Present Perfect Continuous Tense to emphasise the duration of an action